How much information sharing is going on in your smartphone? That was something Here & Now's Sacha Pfeiffer started wondering when she upgraded her phone and discovered that all of her photos had been rearranged according to the geographic location where the pictures had been taken.
We turn to cyber expert Tyler Cohen Wood, who is the cyber branch chief for the Defense Intelligence Agency. She's also author of the new book "Catching the Catfishers: Disarm the Online Pretenders, Predators, and Perpetrators Who Are Out to Ruin Your Life."
This segment aired on May 15, 2014.